81321696

素因数分解:

$2^5\times 3^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:225

約数の個数: 144

約数和(自身を含む): 242712288

約数和(自身を除く): 161390592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 41, 48, 71, 72, 82, 96, 97, 123, 142, 144, 164, 194, 213, 246, 284, 288, 291, 328, 369, 388, 426, 492, 568, 582, 639, 656, 738, 776, 852, 873, 984, 1136, 1164, 1278, 1312, 1476, 1552, 1704, 1746, 1968, 2272, 2328, 2556, 2911, 2952, 3104, 3408, 3492, 3936, 3977, 4656, 5112, 5822, 5904, 6816, 6887, 6984, 7954, 8733, 9312, 10224, 11644, 11808, 11931, 13774, 13968, 15908, 17466, 20448, 20661, 23288, 23862, 26199, 27548, 27936, 31816, 34932, 35793, 41322, 46576, 47724, 52398, 55096, 61983, 63632, 69864, 71586, 82644, 93152, 95448, 104796, 110192, 123966, 127264, 139728, 143172, 165288, 190896, 209592, 220384, 247932, 279456, 282367, 286344, 330576, 381792, 419184, 495864, 564734, 572688, 661152, 838368, 847101, 991728, 1129468, 1145376, 1694202, 1983456, 2258936, 2541303, 3388404, 4517872, 5082606, 6776808, 9035744, 10165212, 13553616, 20330424, 27107232, 40660848, 81321696]

約数ペア:

[(1, 81321696), (2, 40660848), (3, 27107232), (4, 20330424), (6, 13553616), (8, 10165212), (9, 9035744), (12, 6776808), (16, 5082606), (18, 4517872), (24, 3388404), (32, 2541303), (36, 2258936), (41, 1983456), (48, 1694202), (71, 1145376), (72, 1129468), (82, 991728), (96, 847101), (97, 838368), (123, 661152), (142, 572688), (144, 564734), (164, 495864), (194, 419184), (213, 381792), (246, 330576), (284, 286344), (288, 282367), (291, 279456), (328, 247932), (369, 220384), (388, 209592), (426, 190896), (492, 165288), (568, 143172), (582, 139728), (639, 127264), (656, 123966), (738, 110192), (776, 104796), (852, 95448), (873, 93152), (984, 82644), (1136, 71586), (1164, 69864), (1278, 63632), (1312, 61983), (1476, 55096), (1552, 52398), (1704, 47724), (1746, 46576), (1968, 41322), (2272, 35793), (2328, 34932), (2556, 31816), (2911, 27936), (2952, 27548), (3104, 26199), (3408, 23862), (3492, 23288), (3936, 20661), (3977, 20448), (4656, 17466), (5112, 15908), (5822, 13968), (5904, 13774), (6816, 11931), (6887, 11808), (6984, 11644), (7954, 10224), (8733, 9312)]